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Calculating lactate anaerobic thresholds in sports involving different endurance preparation
Publication date: June 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 1 Author(s): Arkadiusz Stanula , Tomasz Gabrys , Urszula Szmatlan-Gabrys , Robert Roczniok , Adam Maszczyk , Przemysław Pietraszewski The aim of this study was to establish the degree of similarity of exercise intensity values at the anaerobic threshold (AT) provided by five methods of lactate curve analysis, i.e., LTAT, LTloglog, 1 mmol AT, 4 mmol AT, and D-max. The pattern of similarities and differences was sought in athletes with varying levels of experience and sports skills, representing two disciplines wit...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Hormonal responses associated with the nadir in blood glucose during graded cycling exercise
In conclusion, a nadir in serum glucose occurred in a predictable fashion in relation to other measures of anaerobic threshold. The nadir in blood glucose occurred prior to an increase in plasma glucagon concentration and a decrease in circulating insulin concentration during the re-establishment of euglycemia during graded exercise. (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Effect of aerobic exercise on mitochondrial DNA and aging
Publication date: June 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 1 Author(s): Anusha Eluamai , Kelly Brooks The aging process occurs at different rates among different tissues. The complication of the definition of aging is due to the occurrence of various diseases that modify body functions and tissue structure. Advances in medicine and public health have considerably increased life expectancy over the past 200 years. An enormous effort has recently been expended to understand how the aging process is regulated at the molecular and cellular levels with hopes to find a way to extend ...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Effects of antecedent flexibility conditioning on neuromuscular and sensorimotor performance during exercise-induced muscle damage
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 Author(s): Nigel Gleeson , Roger Eston , Claire Minshull , Andrea Bailey , Abdul Hameed Al Kitani , Haider Darain , Christopher Yates , David Rees The aim of this study was to assess the effects of two modes of antecedent flexibility conditioning on neuromuscular and sensorimotor performance during a subsequent episode of exercise-induced muscle damage (EIMD). Twenty-four males (age 20.9 ± 2.3 years; height 1.78 ± 0.06 m; body mass 72.3 ± 7.4 kg, mean ± SD) were randomly assigned to interventio...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

The rating of perceived exertion is not different at the ventilatory threshold in sedentary women with different body mass indices
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 Author(s): Hassan Mohamed Elsangedy , Kleverton Krinski , Eduardo Caldas Costa , Luke Haile , Andre Igor Fonteles , Luciana da Silva Timossi , Sergio Gregorio da Silva The ventilatory threshold (VT), or respiratory compensation point, is an important respiratory-metabolic marker of aerobic fitness. Exercise at VT intensity provides an optimal stimulus for body mass loss and improvement in aerobic fitness. The use of ratings of perceived exertion (RPE) to self-regulate exercise intensity is more feasible than ...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Effect of a carbohydrate drink on soccer skill performance following a sport-specific training program
This study examined the effects of 60 minutes of soccer-specific training on skill performance, hydration status, and core temperature (Tc) of soccer players after ingesting either a carbohydrate-containing (CHO) or a carbohydrate-free (CHO-F) drink. This study recruited seven healthy male soccer players (age: 23 ± 2.9 years, height: 1.7 ± 0.04 m, mass: 62.7 ± 6.7 kg), each of whom completed a CHO and a CHO-F trial in a randomized crossover design. The participants underwent skill tests [Loughborough Soccer Passing Test (LSPT)] prior to and after 60 minutes of training in a hot and humid environment (30 °C, 85...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Duration, frequency, and types of children's activities: Potential of a classification procedure
This study investigated the potential of a classification procedure to determine type, duration, and frequency of children's physical activity (PA) during 7 days based on accelerometer data. Hip and wrist accelerometer data (1-second epoch) were collected over a week in 41 children (age: 10.7 ± 0.9 years). The classification procedure was used to assign each second into one of the following four categories: stationary activities, walking, running, and jumping. A diary was used to assess the simultaneous activity setting. Children spent 75.5% of the time (600.9 ± 80.1 minutes/day) on stationary activities, 15.6% (124....
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Neuromuscular changes following simulated high-intensity cycling performance in moderate hypoxia
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 Author(s): Barclay K. Dahlstrom , Whitney R.D. Duff , Sandor Poloskei , Simon Schaerz , Trevor K. Len , J. Patrick Neary The purpose of this study was to determine whether central activation (CA) is reduced following a simulated 20-km cycling time trial (20TT) under normoxic and hypoxic conditions. It was hypothesized that CA, maximal voluntary contraction (MVC), and peripheral variables would become reduced during the 20TT exercise under both normoxic and hypoxic conditions, but to a greater extent under the ...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Steps to and correlates of health-enhancing physical activity in adulthood: An intercultural study between German and Chinese individuals
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 Author(s): Yanping Duan , Walter Brehm , Helmut Strobl , Susanne Tittlbach , Zhijian Huang , Gangyan Si Health-enhancing physical activity (HEPA) is a primary resource for improving physiological and psychosocial health. Stage models in the HEPA promotion area should fulfill three functions: description, intervention, and diagnosis. However, these functions have received insufficient attention, and research using an intercultural study paradigm has been rather scarce on this topic. The purpose of this study wa...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Effect of regular exercise on leukocyte function in young and middle-aged women
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 Author(s): Vinicius C. Santos , Izildinha R. Procida , Evelin A.A. Zicolau , Elaine Hatanaka , Cristina Borges-Silva , Tania C. Pithon-Curi , Maria F. Cury-Boaventura The purpose of this study was to investigate the effects of regular training on lymphocyte proliferation, plasma cytokine levels, and parameters of neutrophil and lymphocyte death in young women (YW) and middle-aged women (MAW). Thirteen untrained YW, 12 untrained MAW, 12 trained YW, and 17 trained MAW participated in this investigation. The cha...
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Editorial Preface
Publication date: December 2013 Source:Journal of Exercise Science & Fitness, Volume 11, Issue 2 (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Cta
Publication date: June 2014 Source:Journal of Exercise Science & Fitness, Volume 12, Issue 1 (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Cis
Publication date: June 2014 Source:Journal of Exercise Science & Fitness, Volume 12, Issue 1 (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

As
Publication date: June 2014 Source:Journal of Exercise Science & Fitness, Volume 12, Issue 1 (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research

Pc
Publication date: June 2014 Source:Journal of Exercise Science & Fitness, Volume 12, Issue 1 (Source: Journal of Exercise Science and Fitness)
Source: Journal of Exercise Science and Fitness - November 3, 2014 Category: Sports Medicine Source Type: research